binhiscool4ovy3b3 binhiscool4ovy3b3

08-09-2017
Mathematics

contestada

If a revolving restaurant can rotate 270° in 45 minutes, how long does it take for the restaurant to make a complete revolution?

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tbowlby12 tbowlby12

08-09-2017

the answer is one hour. 360-270=90 90 is a fourth of 360. 45 minutes is 3/4 of an hour so yeah

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musiclover10045 musiclover10045

08-09-2017

270/360 = 0.75 = 3/4 of a complete revolution

45 minutes = 3/4 of an hour

so it is doing 1/4 of a revolution every 1/4 hour

so it would take 1 hour to do a complete revolution

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